/* * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "libavutil/attributes.h" #include "avcodec.h" #include "dct.h" #include "faandct.h" #include "fdctdsp.h" #include "config.h" av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx) { const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; if (avctx->bits_per_raw_sample == 10) { c->fdct = ff_jpeg_fdct_islow_10; c->fdct248 = ff_fdct248_islow_10; } else if (avctx->dct_algo == FF_DCT_FASTINT) { c->fdct = ff_fdct_ifast; c->fdct248 = ff_fdct_ifast248; #if CONFIG_FAANDCT } else if (avctx->dct_algo == FF_DCT_FAAN) { c->fdct = ff_faandct; c->fdct248 = ff_faandct248; #endif /* CONFIG_FAANDCT */ } else { c->fdct = ff_jpeg_fdct_islow_8; // slow/accurate/default c->fdct248 = ff_fdct248_islow_8; } if (ARCH_PPC) ff_fdctdsp_init_ppc(c, avctx, high_bit_depth); if (ARCH_X86) ff_fdctdsp_init_x86(c, avctx, high_bit_depth); }